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Cheap Flights from Chicago to Washington (CHI - IAD)

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1 adult
Note: some airlines charge for infants in laps.
The price shown for each flight will be the average for all passengers including any infants.
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Best fares from CHI to IAD (Found by others)

Sun Mon Tue Wed Thu Fri Sat
      1 $92 2 $155 3 $155 4 $92
5 $340 6 $270 7 $135 8 $102 9 $165 10 $165 11 $145
12 $274 13 $265 14 $165 15 $132 16 $92 17 $155 18 $132
19 $301 20 $215 21 $102 22 $102 23 $115 24 $135 25 $115
26 $301 27 $115 28 $92 29 $92 30 $92 31 $135  
KAYAK searches hundreds of sites to find the best rate for your next flight from Chicago to Washington. Get the best flight deal for your Washington trip!
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Direct flights CHI to IAD on United
Flight # Depart ORD Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
5028 5:51 am 8:38 am Sep 26 - Oct 24
5028 5:51 am 8:38 am Sep 22 - Oct 23
1210 8:45 am 11:40 am Oct 15 - Oct 15
326 8:45 am 11:38 am Oct 5 - Oct 5
326 8:45 am 11:39 am Sep 25 - Sep 26
326 8:45 am 11:39 am Sep 24 - Sep 24
382 8:45 am 11:39 am Sep 23 - Oct 14
382 8:45 am 11:39 am Oct 8 - Oct 8
382 8:45 am 11:39 am Sep 28 - Oct 1
382 8:45 am 11:39 am Oct 19 - Oct 19
382 8:45 am 11:39 am Oct 22 - Oct 22
382 8:45 am 11:38 am Oct 12 - Oct 12
382 8:45 am 11:39 am Sep 20 - Oct 18
382 8:45 am 11:39 am Oct 21 - Oct 21
712 8:45 am 11:39 am Oct 2 - Oct 24
712 8:45 am 11:39 am Sep 22 - Sep 29
3763 10:09 am 1:00 pm Sep 27 - Sep 27
3763 10:10 am 1:01 pm Oct 4 - Oct 25
1138 10:45 am 1:37 pm Oct 12 - Oct 12
1520 10:45 am 1:37 pm Oct 19 - Oct 19
1520 10:45 am 1:37 pm Oct 5 - Oct 5
1520 10:45 am 1:37 pm Sep 28 - Sep 28
1135 10:49 am 1:41 pm Sep 26 - Sep 26
1158 10:49 am 1:41 pm Oct 2 - Oct 2
1520 10:49 am 1:41 pm Sep 22 - Sep 29
1520 10:49 am 1:41 pm Sep 23 - Oct 7
1520 10:49 am 1:41 pm Oct 3 - Oct 20
1520 10:49 am 1:41 pm Oct 22 - Oct 22
1520 10:49 am 1:41 pm Oct 23 - Oct 23
1520 10:49 am 1:41 pm Oct 24 - Oct 24
1520 10:49 am 1:41 pm Sep 25 - Sep 25
1520 10:49 am 1:41 pm Oct 14 - Oct 21
1547 10:49 am 1:41 pm Oct 8 - Oct 8
1187 1:10 pm 4:15 pm Sep 24 - Sep 24
1187 1:10 pm 4:15 pm Oct 15 - Oct 15
1698 1:10 pm 4:15 pm Sep 23 - Sep 30
1698 1:10 pm 4:15 pm Oct 21 - Oct 22
1698 1:10 pm 4:15 pm Oct 1 - Oct 14
1124 1:11 pm 4:16 pm Oct 18 - Oct 18
1158 1:11 pm 4:16 pm Oct 4 - Oct 4
1463 1:11 pm 4:16 pm Sep 27 - Sep 27
1463 1:11 pm 4:16 pm Oct 11 - Oct 11
1698 1:11 pm 4:16 pm Sep 25 - Oct 3
1698 1:11 pm 4:16 pm Oct 6 - Oct 23
1698 1:11 pm 4:16 pm Oct 24 - Oct 24
679 1:11 pm 4:15 pm Sep 29 - Sep 29
1698 1:17 pm 4:22 pm Sep 28 - Oct 19
1158 4:15 pm 7:11 pm Oct 11 - Oct 11
1158 4:15 pm 7:11 pm Sep 20 - Sep 27
1158 4:15 pm 7:11 pm Oct 18 - Oct 18
1474 4:15 pm 7:11 pm Sep 29 - Sep 29
1474 4:15 pm 7:11 pm Oct 6 - Oct 6
1474 4:15 pm 7:11 pm Sep 30 - Oct 7
1474 4:15 pm 7:11 pm Oct 10 - Oct 10
1493 4:15 pm 7:11 pm Oct 13 - Oct 13
1493 4:15 pm 7:11 pm Oct 20 - Oct 20
1493 4:15 pm 7:11 pm Oct 24 - Oct 24
1493 4:15 pm 7:11 pm Sep 23 - Sep 23
1493 4:15 pm 7:11 pm Oct 17 - Oct 17
1519 4:15 pm 7:11 pm Oct 22 - Oct 22
1519 4:15 pm 7:11 pm Oct 14 - Oct 21
1519 4:15 pm 7:11 pm Oct 8 - Oct 8
1519 4:15 pm 7:11 pm Sep 24 - Sep 24
1519 4:15 pm 7:11 pm Oct 1 - Oct 1
1520 4:15 pm 7:11 pm Oct 2 - Oct 2
1537 4:15 pm 7:11 pm Oct 3 - Oct 3
1537 4:15 pm 7:11 pm Sep 26 - Sep 26
1537 4:15 pm 7:11 pm Sep 25 - Sep 25
1616 4:15 pm 7:11 pm Oct 4 - Oct 4
1631 4:15 pm 7:11 pm Oct 9 - Oct 23
1631 4:15 pm 7:11 pm Oct 15 - Oct 15
1646 4:15 pm 7:11 pm Oct 12 - Oct 19
1646 4:15 pm 7:11 pm Sep 28 - Sep 28
1646 4:15 pm 7:11 pm Oct 5 - Oct 5
1001 6:10 pm 9:06 pm Sep 27 - Sep 27
1058 6:10 pm 9:06 pm Oct 18 - Oct 18
1124 6:10 pm 9:06 pm Oct 11 - Oct 11
1520 6:10 pm 9:06 pm Oct 4 - Oct 4
1493 6:16 pm 9:12 pm Sep 26 - Sep 26
1520 6:16 pm 9:12 pm Oct 12 - Oct 12
397 6:16 pm 9:11 pm Oct 19 - Oct 19
492 6:16 pm 9:11 pm Oct 5 - Oct 5
679 6:16 pm 9:11 pm Sep 28 - Sep 28
1455 6:17 pm 9:13 pm Oct 2 - Oct 2
1455 6:17 pm 9:13 pm Oct 10 - Oct 10
1575 6:17 pm 9:13 pm Oct 6 - Oct 6
382 6:17 pm 9:12 pm Oct 3 - Oct 3
382 6:17 pm 9:12 pm Oct 17 - Oct 17
397 6:17 pm 9:12 pm Oct 13 - Oct 13
679 6:17 pm 9:12 pm Sep 24 - Sep 24
679 6:17 pm 9:12 pm Sep 25 - Sep 25
712 6:17 pm 9:12 pm Oct 15 - Oct 15
712 6:17 pm 9:12 pm Oct 1 - Oct 1
712 6:17 pm 9:12 pm Oct 22 - Oct 22
712 6:17 pm 9:12 pm Oct 8 - Oct 8
712 6:17 pm 9:12 pm Sep 23 - Oct 7
712 6:17 pm 9:12 pm Oct 14 - Oct 21
728 6:17 pm 9:12 pm Oct 24 - Oct 24
728 6:17 pm 9:12 pm Oct 20 - Oct 20
728 6:17 pm 9:12 pm Sep 29 - Sep 29
728 6:17 pm 9:12 pm Oct 9 - Oct 9
728 6:17 pm 9:12 pm Oct 16 - Oct 16
728 6:17 pm 9:12 pm Oct 23 - Oct 23
5495 7:35 pm 10:30 pm Sep 27 - Sep 27
5495 7:35 pm 10:30 pm Oct 11 - Oct 18
6277 7:35 pm 10:30 pm Oct 4 - Oct 4
3763 9:12 pm 11:58 pm Sep 25 - Sep 25
3778 9:12 pm 11:58 pm Oct 2 - Oct 9
3778 9:12 pm 11:58 pm Sep 26 - Sep 26
3778 9:12 pm 11:58 pm Sep 21 - Oct 1
3778 9:12 pm 11:58 pm Oct 3 - Oct 24
3778 9:12 pm 11:58 pm Oct 12 - Oct 12
3778 9:12 pm 11:58 pm Oct 13 - Oct 23